The D5 Vario is the ultimate pump for PC water-cooling. It features exceptional performance and unrivalled reliability. The Vario's speed dial allows you to adjust the pump speed to best suit your system, and the tacho output lets you accurately monitor the pumps speed. 4 Pin Molex and 3 Pin connectors. Maximum Temperature: 60C. This pump ships without a front cover. This unit requires a D5 top or D5 reservoir in order to use this pump.